Just helping others out. Bell Star sizing is weird. I am a Shoei Size Medium for the RF1000 and the X-11 and it fits me well. I also have a Scorpion EXO-700 that fits me just as well as my Shoeis. With Bell, for the Stars, I am a small and for the RS-1 I am a medium. It's weird with the fitting but that's what works for me. And this is with wearing the helmet for about 20 minutes to simulate a race/trackday session.

If only I didn't splurge on an LED TV I would be all over this :-(. We shall see if any are still available and if I get a generous X-mas bonus